This is to roughly show the area affected by the light source.
这是为了大概表明下由光源影响的区域。
In this research, the portable leaf area meter is designed by combining microcontroller with light source LED and light sensor.
本研究利用微控制器作为控制单元，结合LED光源和传感器设计研制了一种便携式叶面积仪。
The main source of artificial light consists of a series of track spotlights on either side of the store where the main display area is located.
人造光的主要来源包括一系列位于店内主展示区两侧的轨道射灯。
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